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Bob Grigas has been studying music since 1997. Through his studies he has played with numerous groups that have traveled across the country. Bob has performed with several groups such as Pacific Crest Drum and Bugle Corps, Martha Graham Music Foundation, LA Jewish Symphony, International Connection, The Hunger Games Trilogy Red Carpet Premiere, and many more. Throughout the last 18 years Bob has played and recorded in some of the most prestigious concert halls and venues in America. These include, The Broad Theatre, The John F. Kennedy Center, Walt Disney Concert Hall, The Valley Performing Arts Center, The Ford Amphitheater, Capitol Records, and Carnegie Hall.

He has had the privilege of studying with some of the greatest musicians in the world such as John Magnussen, Jerry Steinholtz, Alex Acuna, Pete Korpela, Randy Gloss, Swapan Chaudari, David Roitstein, Joey Deleon, Walter Rodriguez, Nani Agbeli, Gary Pratt, John Daversa, Jeff Elwood, Dr. John Roscigno, and Matt Altmire.  

​Bob has been an instructor and educator in the greater Southern California area and has taught at many school’s including Azusa H.S., California H.S., Schurr H.S., Edison H.S., Claremont H.S., Esperanza H.S., La Mirada H.S., Redlands East Valley H.S., Agoura H.S., South Pointe M.S., Cal State Northridge, Cal Arts, and Saugus H.S.  Bob received his Bachelor of Music from Cal State University Northridge, and a Master’s in World Percussion Performance from California Institute of the Arts.

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Rob Guzman graduated from Fillmore High School in 1997 where he was a saxophone player, Colorguard member, and Drum Major. Once he graduated, he went on to teach the Fillmore High School and Fillmore Middle Colorguards from 1998-2005. At the age of 21, Rob continued his performance career with Black Knights Independent Winterguard. From there he continued to perform with such groups as Riverside Community College 2003, 2004, 2006, 2007, Fantasia Winterguard 2004 and 2005, and Diamante Winterguard in 2012.

Rob has also been instructing with many Southern California Colorguard programs over the years including Buena High School (2015 SCSBOA 2A High Auxiliary, 2015 WGASC Gold medalist, 2015 WGI Finalist), Oxnard High School(2012 WGASC Gold medalist), Moorpark High School (2013 WGASC Bronze Medalist), Thousand Oaks High School (2006 WGASC Bronze Medalist, Adolfo Camarillo High School (2009 WGASC Gold Medalist, 2011 WGASC Silver Medalist, 2013 WGASC Silver Medalist) Gladstone High School (2014 WGASC Bronze Medalist), Diamante Winterguard, Mystikal Drum and Bugle Corps, Gold Drum and Bugle Corps, and Orange County Independent Winds Ensemble 2015 WGI Silver Medalist, 2016 WGI Bronze Medalist), Marshall Fundamental  (2013 WGASC Gold Medalist, 2014 WGASC Bronze Medalist, 2015 WGASC Bronze Medalist). Rob is currently instructing at Moorpark High School (2019, 2021 WGASC Gold medalist), Westlake High School (2021 WGASC Silver Medalist) and Saugus High School (2021 WGASC Gold Medalist).

In addition to his colorguard career, Rob has also been a visual and marching instructor for Fillmore High School, Buena High School (2015 SCSBOA 2A Gold Medalist), and currently Saugus High School.  Rob currently resides in Tarzana, California.


Eric Lennartson


Eric Lennartson is an percussionist, composer, improviser and educator based in Los Angeles. Born and raised in Austin, Texas, Eric spent three years performing with the Crossmen Drum and Bugle Corps (2013, 2014, and 2016) as well as receiving his bachelor’s in Percussion Performance from the University of North Texas. During his time at UNT he had the fortune to study with many wonderful teachers such as Mark Ford, Paul Rennick, Christopher Deane, Poovalur Sriji, Stockton Helbing, among many others. In 2021 he received his master’s in Performance and Composition from the California Institute of the Arts, while studying with Tim Feeney.

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Born and raised in the Antelope Valley (Palmdale), CA. Aubre has been involved in the marching community for several years with both DCI and WGI experience. His experience includes Impulse Drum and Bugle Corp (2013)playing snare drum, in 2016 he marched with The Academy Drum and Bugle Corp, in 2015 he began his WGI experience with Orange County Independent for the 2015season (now known as Broken City) marching snare, and finally aging out in 2018 with POW Percussion also on snare. After he aged out he immediately began teaching at the local high schools as the percussion instructor which included Antelope Valley High School, Pete Knight High School, Palmdale High School, and Littlerock High School in Littlerock Ca. Aubre is also an education artist for Vater Percussion.

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Rachel Ramirez is a student at College of the Canyons and is working towards an Associates degree for transfer in Music. She graduated in the class of 2020 at Saugus High School. Rachel is now the snare technician for the drumline in the Saugus marching band. While in the Saugus band, Rachel marched clarinet her Freshman year and then switched to the snare drum for the last 3 years of her high school career. In her Junior year, she was the drum captain of the drumline. In her last year of high school she was a member of the Pasadena City College Tournament of Roses Honor Band and performed in the Rose Parade on New Year’s Day. Rachel is currently working to become a member of the Pacific Crest Drum Corps.


Michael Ulloa


Michael Ulloa has been performing Colorguard since 2012. His journey stared sophomore year at Hart Highschool followed by groups like Bluestars, Icon, and Imbue. In 2016 he joined the Marine Corps and was stationed at MCAS Beaufort South Carolina during that time he was an instructor/student at The Larew Dance Studio six days a week. He also performed with The Beaufort Theater Company for the first time in 2018 during the production Mamma Mia.


Michael had the opportunity to perform under some great instructors such as Anthony Garcia, Michael Shapiro, Shavon Garcia and Juan Gonzalez

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Bob Lawrence (Trombone), was born in Orange County California. He began playing trombone at the age of 10 and quickly

fell in love with music. During his youth Bob won spots in the All Southern California All-Star Jazz Band every year from

2002-2008. From 2008-2010 Bob attended Saddleback College and studied under the direction of Joey Sellers. During

that time Bob won the South Orange County Concerto Competition for his performance of the Morceau Symphonique. 

Since then Bob has graduated from the Los Angeles College of Music and has been living in LA where he's quickly

establishing himself as a respected and highly in-demand trombone player, arranger, and music educator.
Bob has performed for and toured with Persian superstars Ebi Hamedi and  Googoosh as well as the Billy Vaughn Orchestra.

You can hear Bob playing trombone on recordings by Snoop Dogg, Morris Day, Mega Low, The Gromble, Geronimo Rauch,

Andy Montañez, Craig Cammel Orchestra, the Baba Orchestra, the Afro-Peruvian Jazz Orchestra (nominated for two Latin

Grammys as well as two Grammys for the album Tradiciones), Kim Richmond Orchestra, Luis Enrique, Tony Vega, Poncho

Sanchez and his Latin Jazz Band, and many more bands and musicians from around the world. 

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Kyle Tefft was born and raised in Santa Barbara. While studying music at Santa Barbara City College, Kyle learned to appreciate the value of teachers who could inspire their students and create a safe and friendly educational environment. His passion for music and teaching was noticed by his instructors and he was asked to teach the begging woodwind pedagogy class at SBCC, where he taught groups of 10 plus students at a time. Kyle moved to Los Angeles where he earned his Bachelors degree at Los Angeles College of Music in Pasadena. While enrolled, he was asked to tutor other students in music theory and musicianship. He's also played in local bands in the Southern California area, including with Michael McDonald during a number of his charity events. Kyle always strives to be his best for both his students, his bandmates, and for the integrity of the music he is playing.

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Shane is an educator, composer, and trumpet player currently studying Music Performance and Composition at the California Institute of the Arts. His marching band experience began in high school and continued with his participation with The Academy and Blue Devils Drum and Bugle Corps'. After studying Music Education at Arizona State University and teaching at local schools in Tempe, Shane made the move to Santa Clarita to continue his education. He is beyond excited to pass along all of the skills he has learned to the students at Saugus.

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Cameron Ayers is a composer and performer from Ventura, California.  He spent three years performing with the Sacramento Mandarins and Pulse Percussion. While performing with Pulse Percussion in 2019, he received the SCPA Ensemble Composition Scholarship for his original piece for indoor percussion. Cameron studied music composition under Ventura College’s Robert Lawson, before Transferring to California State University Northridge where he currently studies in their Media Composition Program.  As an educator, Cameron has taught with multiple schools around Ventura County.  He also composed the program for Marching Vlogs’ “MV All Star Drumline,” which brought together members from Broken City Percussion, RCC, and Pulse Percussion to raise money for a food bank in La Puente, CA. In 2020, he participated in the new internship program at
Project Rise Music. 

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